Glessing, Robert J
Science Research Associated, 1973
Buku Teks
Devol, Kenneth S., author
Hastings house Publisher, 1971
Buku Teks
Oemar Seno Adji, author
Erlangga, 1977
Buku Teks
edited by Anura Goonasekera and Youichi Ito
Pluto Press, 1999
Buku Teks
Wimmer, Roger D., author
Cengage-Wadsworth, 2014
Buku Teks